Wallace’s principal interests are federal, state, local and international taxation and analysis and intergovernmental fiscal relations. She has consulted widely on tax policy, fiscal decentralization and revenue forecasting and analysis in Russia, Ukraine, Kazakstan, Jamaica, Yemen, and China, and served as resident (Moscow) chief of party for the Andrew Young School’s Russian fiscal reform project from 1997 through 1999. Wallace formerly worked for the U.S. Treasury. She has done research on income taxation, sales taxation, and distributional effects of taxes, and has published articles in journals such as Regional Science and Urban Economics, National Tax Journal, State Tax Notes, and Southern Economic Journal.